sLHC Project Notes

ANSYS modeling of thermal contraction of SPL HOM couplers during cool-down
/ Papke, K (CERN)
During the cool-down the HOM coupler as well as the cavity inside the cryo module experience a thermal contraction. For most materials between room temperature and liquid helium temperatures, the changes in dimension are in the order of a few tenths of a percent change in volume. [...] sLHC-Project-Note-0044; CERN-sLHC-Project-Note-0044.-
Geneva : CERN, 2016Fulltext:PDF;

Various approaches to electromagnetic field simulations for RF cavities
/ Liu, C (Technische Universität Darmstadt) ; Müller, W F O (Technische Universität Darmstadt) ; Ackermann, W (Technische Universität Darmstadt) ; Weiland, T (Technische Universität Darmstadt)
In the Superconducting Proton Linac (SPL) cavity, it is very important to calculate the eigenmodes precisely, because many higher order modes (HOMs) can lead to particle beam instabilities. We used and compared three different ways to calculate the eigenmodes in the SPL cavity: field simulation with hexahedron mesh in time domain, field simulation with hexahedron mesh in frequency domain and field simulation with tetrahedral mesh and higher order curvilinear elements [...] sLHC-Project-Note-0040; CERN-sLHC-Project-Note-0040.-
Geneva : CERN, 2012Fulltext:PDF;

SPL Transfer Line
/ Posocco, P A ; Eshraqi, M (ESS Lund) ; Lombardi, AThe study of the longitudinal properties of the beam accelerated by SPL at the injection of the following accelerator is very important to optimize its performance. Therefore we connected the latest version of SPL (5 GeV) to the PS2 with a transfer line previously designed by the TE/ABT-BTP Section making it an example of how to transport the SPL beam out of the very densely built Meyrin site to a place where a following accelerator can be realized..sLHC-Project-Note-0038; CERN-sLHC-Project-Note-0038.-
Geneva : CERN, 2012Fulltext:PDF;